Patents by Inventor Xiao Bing Yun
Xiao Bing Yun has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11338563Abstract: Provided is a coextruded multilayer film. The coextruded multilayer film has at least two layers, including a sealant layer and a second layer in contact with the sealant layer. The sealant layer contains (A) a first ethylene-based polymer having a density from 0.865 g/cc to 0.930 g/cc and a melt index from 0.5 g/10 min to 25 g/10 min; (B) an unsaturated primary fatty acid amide having a melting point of 100° C. or less; and (C) a diprotic fatty acid having a melting point greater than 100° C. and a decomposition temperature greater than 200° C. The second layer contains a second ethylene-based polymer. Also provided is a laminate containing said sealant layer.Type: GrantFiled: June 9, 2017Date of Patent: May 24, 2022Assignee: Dow Global Technologies LLCInventors: Fengyi Su, Andong Liu, Hongyu Chen, Jianping Pan, Xiao Bing Yun, Thomas Allgeuer, Erqiang Chen, Tipeng Zhao, Guihong Liao
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Patent number: 11312844Abstract: A composition suitable for making uncrosslinked polyethylene foam and an uncrosslinked polyethylene foam comprising: 50-95 wt. % of a low density polyethylene having a density ranging from 0.915 to 0.930 g/cc and melt index of 1-4 g/10 min; and 5-50 wt. % of an ethylene/alpha-olefin interpolymer having: a density ranging from 0.910-0.930 g/cc; a melt index ranging from 0.5 to 6.0 g/10 min; a Mw/Mn of from 2.8 to 4.5; and a ZSVR of 1.8 to 10.0.Type: GrantFiled: July 28, 2016Date of Patent: April 26, 2022Assignee: Dow Global Technologies LLCInventors: Jian Wang, Jichang Feng, Xiao Bing Yun, Mehmet Demirors, Edward L. Lee, Hayley A. Brown, Bin Li
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Patent number: 11273592Abstract: The present invention discloses a process for forming a biaxially oriented film. The process includes first selecting a polyolefin resin wherein said polyolefin resin comprises a linear low density polyethylene resin characterized by having from 9 to 35 weight percent of the total weight of linear low density polyethylene resin eluting from a CEF at a temperature greater than 97.0° C.; and further characterized by having a CDR of from 33 to 80 and a Mw Ratio of from 0.15 to 0.45. Next a film is formed from the polyolefin resin selected in the first step. Finally the film formed in the second step is oriented in a sequential manner. The films produced by this process are characterized by having an ultimate elongation at least 1.5 times greater in the MD as compared to the CD and the 2% secant modulus is a least 1.25 times greater in the CD as compared to the MD.Type: GrantFiled: June 10, 2019Date of Patent: March 15, 2022Assignee: Dow Global Technologies LLCInventors: Xiao Bing Yun, Rongjuan Cong, Jianping Pan, Teresa P. Karjala
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Patent number: 11090852Abstract: The coextruded multilayer film has at least two layers, including a sealant layer and a second layer in contact with the sealant layer. The sealant layer contains (A) a first ethylene-based polymer having a density from 0.865 g/cc to 0.930 g/cc and a melt index from 0.5 g/10 min to 25 g/10 min; (B) an unsaturated primary fatty acid amide having a melting point of 100° C. or less; and (C) a saturated primary fatty acid amide having a melting point greater than 100° C. The unsaturated primary fatty acid amide and the saturated primary fatty acid amide have a weight ratio of from 3:1 to 1:6. The second layer contains a second ethylene-based polymer. The present disclosure also provides a laminate containing said sealant layer.Type: GrantFiled: June 9, 2017Date of Patent: August 17, 2021Assignee: Dow Global Technologies LLCInventors: Fengyi Su, Andong Liu, Hongyu Chen, Jianping Pan, Xiao Bing Yun, Thomas Allgeuer, Erqiang Chen, Tipeng Zhao, Guihong Liao
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Patent number: 11059257Abstract: The present disclosure is directed to a retort pouch. In an embodiment, the retort pouch includes a multilayer film with at least three layers. The at least three layers include (A) a skin layer comprising a blend of a propylene-based polymer and a styrenic block copolymer, (B) a seal layer comprising blend of a propylene-based polymer and a styrenic block copolymer, and (C) a core layer located between the skin layer (A) and the seal layer (B). The core layer comprises a blend of (1) a propylene-based polymer, (2) an ethylene-based polymer, and (3) a crystalline block composite (CBC).Type: GrantFiled: September 28, 2016Date of Patent: July 13, 2021Assignee: Dow Global Technologies LLCInventors: Hang Lu, Joy Jingyi Xu, Yutaka Maehara, Jian-ping Pan, Xiao Bing Yun
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Publication number: 20210187812Abstract: The coextruded multilayer film has at least two layers, including a sealant layer and a second layer in contact with the sealant layer. The sealant layer contains (A) a first ethylene-based polymer having a density from 0.865 g/cc to 0.930 g/cc and a melt index from 0.5 g/10 min to 25 g/10 min; (B) an unsaturated primary fatty acid amide having a melting point of 100° C. or less; and (C) a saturated primary fatty acid amide having a melting point greater than 100° C. The unsaturated primary fatty acid amide and the saturated primary fatty acid amide have a weight ratio of from 3:1 to 1:6. The second layer contains a second ethylene-based polymer. The present disclosure also provides a laminate containing said sealant layer.Type: ApplicationFiled: June 9, 2017Publication date: June 24, 2021Inventors: Fengyi Su, Andong Liu, Hongyu Chen, Jianping Pan, Xiao Bing Yun, Thomas Allgeuer, Erqiang Chen, Tipeng Zhao, Guihong Liao
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Publication number: 20210078315Abstract: Provided is a coextruded multilayer film. The coextruded multilayer film has at least two layers, including a sealant layer and a second layer in contact with the sealant layer. The sealant layer contains (A) a first ethylene-based polymer having a density from 0.865 g/cc to 0.930 g/cc and a melt index from 0.5 g/10 min to 25 g/10 min; (B) an unsaturated primary fatty acid amide having a melting point of 100° C. or less; and (C) a diprotic fatty acid having a melting point greater than 100° C. and a decomposition temperature greater than 200° C. The second layer contains a second ethylene-based polymer. Also provided is a laminate containing said sealant layer.Type: ApplicationFiled: June 9, 2017Publication date: March 18, 2021Inventors: Fengyi Su, Andong Liu, Hongyu Chen, Jianping Pan, Xiao Bing Yun, Thomas Allgeuer, Erqiang Chen, Tipeng Zhao, Guihong Liao
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Publication number: 20200353723Abstract: The present disclosure is directed to a retort pouch. In an embodiment, the retort pouch includes a multilayer film with at least three layers. The at least three layers include (A) a skin layer comprising a blend of a propylene-based polymer and a styrenic block copolymer, (B) a seal layer comprising blend of a propylene-based polymer and a styrenic block copolymer, and (C) a core layer located between the skin layer (A) and the seal layer (B). The core layer comprises a blend of (1) a propylene-based polymer, (2) an ethylene-based polymer, and (3) a crystalline block composite (CBC).Type: ApplicationFiled: September 28, 2016Publication date: November 12, 2020Inventors: Hang Lu, Joy Jingyi Xu, Yutaka Maehara, Jian-ping Pan, Xiao Bing Yun
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Publication number: 20200325313Abstract: A composition suitable for making uncrosslinked polyethylene foam and an uncrosslinked polyethylene foam comprising: 50-95 wt. % of a low density polyethylene having a density ranging from 0.915 to 0.930 g/cc and melt index of 1-4 g/10 min; and 5-50 wt. % of an ethylene/alpha-olefin interpolymer having: a density ranging from 0.910-0.930 g/cc; a melt index ranging from 0.5 to 6.0 g/10 min; a Mw/Mn of from 2.8 to 4.5; and a ZSVR of 1.8 to 10.0.Type: ApplicationFiled: July 28, 2016Publication date: October 15, 2020Applicant: Dow Global Technologies LLCInventors: Jian WANG, Jichang FENG, Xiao Bing YUN, Mehmet DEMIRORS, Edward L. LEE, Hayley A. BROWN, Bin LI
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Patent number: 10792899Abstract: Embodiments of the present invention relate to biaxially oriented, multilayer polyethylene films and to laminates and articles formed therefrom. In one aspect, a biaxially oriented, multilayer polyethylene film comprises Layer A which is a sealant layer p having a top facial surface and a bottom facial surface and comprising a first polyethylene, wherein the first polyethylene has a density of at least 0.900 g/cm3, an IHDF>95 of 20-60 kg/mol, and a MWHDF>95 of greater than 130 kg/mol, wherein Layer A comprises at least 50 weight percent of the first polyethylene based on the weight of Layer A, and Layer B having a top facial surface and a bottom facial surface, wherein Layer B comprises one or more additional polyethylenes, and wherein the top facial surface of Layer B is in adhering contact with a bottom facial surface of Layer A, wherein the density of the first polyethylene is at least 0.002 g/cm3 less than the density of Layer B.Type: GrantFiled: August 14, 2017Date of Patent: October 6, 2020Assignee: Dow Global Technologies LLCInventors: Jianping Pan, Xiao Bing Yun, Yijian Lin, Rongjuan Cong
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Patent number: 10751974Abstract: A multilayer structure comprising at least one skin sealant layer, wherein the skin layer comprises a polyethylene having a crystallinity, CS; a tie layer which comprises a first polyethylene having a crystallinity, CT, wherein the tie layer is adhered to the skin layer; and a bulk layer which comprises a second polyethylene having a crystallinity, CB, wherein the tie layer is disposed between the bulk layer and the skin sealant layer; wherein CB>CT>CS; and wherein the layers are coextruded and the multilayer structure oriented by a semi-molten orientation process is provided. Also provided is a laminate comprising the multilayer structure and articles comprising the laminate.Type: GrantFiled: December 12, 2014Date of Patent: August 25, 2020Assignee: Dow Global Technologies LLCInventors: Xiao Bing Yun, Jianping Pan
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Publication number: 20200040442Abstract: The present invention provides multilayer structures and articles formed from such structures. In one aspect, a multilayer structure comprises (a) a biaxially oriented polyethylene film comprising an outer layer that comprises a first polyethylene composition comprising at least two linear low density polyethylenes, wherein the first polyethylene composition has a density of 0.910 to 0.940 g/cm3, an MWHDE>95 greater than 135 kg/mol and an IHDE>95 greater than 42 kg/mol, wherein the film has a thickness of 10 to 60 microns after orientation; and (b) a metal layer comprising a metal deposited on the outer layer, wherein the metal comprises Al, Zn, Au, Ag, Cu, Ni, Cr, Ge, Se, Ti, Sn, or oxides thereof, and wherein the multilayer structure has an optical density of 1.0 to 3.Type: ApplicationFiled: April 23, 2018Publication date: February 6, 2020Inventors: Gang Wang, Jingyi Xu, Jianping Pan, Xiao Bing Yun
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Publication number: 20190299517Abstract: The present invention discloses a process for forming a biaxially oriented film. The process includes first selecting a polyolefin resin wherein said polyolefin resin comprises a linear low density polyethylene resin characterized by having from 9 to 35 weight percent of the total weight of linear low density polyethylene resin eluting from a CEF at a temperature greater than 97.0° C.; and further characterized by having a CDR of from 33 to 80 and a Mw Ratio of from 0.15 to 0.45. Next a film is formed from the polyolefin resin selected in the first step. Finally the film formed in the second step is oriented in a sequential manner. The films produced by this process are characterized by having an ultimate elongation at least 1.5 times greater in the MD as compared to the CD and the 2% secant modulus is a least 1.25 times greater in the CD as compared to the MD.Type: ApplicationFiled: June 10, 2019Publication date: October 3, 2019Inventors: Xiao Bing Yun, Rongjuan Cong, Jianping Pan, Teresa P. Karjala
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Patent number: 10357948Abstract: A multilayer ethylene-based shrink films comprising a core layer comprising a polyethylene resin, and two skin layers, wherein the core layer is positioned between the two skin layers, wherein the polyethylene resin comprises greater than 50 mol. % of the units derived from ethylene and less than 30 mol. % of the units derived from one or more alpha-olefin comonomers, has greater than 50% of the copolymer fraction eluting between 75.0° C. and 95.0° C. as determined by Crystallization Elution Fractionation (CEF), and has a density ranging from 0.915 to 0.940 g/cc, and wherein the film is biaxially-oriented.Type: GrantFiled: April 16, 2014Date of Patent: July 23, 2019Assignee: Dow Global Technologies LLCInventors: Jian-ping Pan, Yijian Lin, Xiao Bing Yun, Mehmet Demirors
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Publication number: 20190210333Abstract: Embodiments of the present invention relate to biaxially oriented, multilayer polyethylene films and to laminates and articles formed therefrom. In one aspect, a biaxially oriented, multilayer polyethylene film comprises Layer A which is a sealant layer p having a top facial surface and a bottom facial surface and comprising a first polyethylene, wherein the first polyethylene has a density of at least 0.900 g/cm3, an IHDF>95 of 20-60 kg/mol, and a MWHDF>95 of greater than 130 kg/mol, wherein Layer A comprises at least 50 weight percent of the first polyethylene based on the weight of Layer A, and Layer B having a top facial surface and a bottom facial surface, wherein Layer B comprises one or more additional polyethylenes, and wherein the top facial surface of Layer B is in adhering contact with a bottom facial surface of Layer A, wherein the density of the first polyethylene is at least 0.002 g/cm3 less than the density of Layer B.Type: ApplicationFiled: August 14, 2017Publication date: July 11, 2019Applicant: Dow Global Technologies LLCInventors: Jianping Pan, Xiao Bing Yun, Yijian Lin, Rongjuan Cong
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Publication number: 20180099492Abstract: Embodiments of the present invention relate to multilayer structures and articles formed therefrom. In one aspect, a multilayer structure comprises (a) a biaxially oriented polyethylene film comprising a linear low density polyethylene having a density of 0.910 to 0.Type: ApplicationFiled: July 31, 2015Publication date: April 12, 2018Inventors: Xiao Bing Yun, Jianping Pan, Gang Wang
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Patent number: 9828476Abstract: The instant invention provides a linear low density polyethylene composition suitable for cast film, films made therefrom, and packaging devices comprising one or more such film layers. The linear low density polyethylene composition suitable for cast film according to the present invention comprises an ethylene/?-olefin interpolymer composition having a Comonomer Distribution Constant (CDC) in the range of from 40 to 200, for example from 40 to 150, a vinyl unsaturation of less than 0.12 vinyls per one thousand carbon atoms present in the backbone of the ethylene-based polymer composition; a zero shear viscosity ratio (ZSVR) in the range from 1.2 to 5, for example from 1.5 to 4; a density in the range of from 0.910 to 0.935, for example from 0.915 to 0.925, g/cm3, a melt index (I2) in a range of from 1 to 10, for example from 2 to 6 g/10 minutes, a molecular weight distribution (Mw/Mn) in the range of from 2 to 3.5.Type: GrantFiled: July 20, 2012Date of Patent: November 28, 2017Assignee: Dow Global Technologies LLCInventors: Selmin Bensason, Mehmet Demirors, Xiao Bing Yun
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Publication number: 20170259526Abstract: A multilayer structure comprising at least one skin sealant layer, wherein the skin layer comprises a polyethylene having a crystallinity, CS; a tie layer which comprises a first polyethylene having a crystallinity, CT, wherein the tie layer is adhered to the skin layer; and a bulk layer which comprises a second polyethylene having a crystallinity, CB, wherein the tie layer is disposed between the bulk layer and the skin sealant layer; wherein CB>CT>CS; and wherein the layers are coextruded and the multilayer structure oriented by a semi-molten orientation process is provided. Also provided is a laminate comprising the multilayer structure and articles comprising the laminate.Type: ApplicationFiled: December 12, 2014Publication date: September 14, 2017Applicant: Dow Global Technologies LLCInventors: Xiao Bing Yun, Jianping Pan
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Publication number: 20170021599Abstract: A multilayer ethylene-based shrink films comprising a core layer comprising a polyethylene resin,and two skin layers, wherein the core layer is positioned between the two skin layers,wherein the polyethylene resin comprises greater than 50 mol. % of the units derived from ethylene and less than 30 mol. % of the units derived from one or more alpha-olefin comonomers, has greater than 50% of the copolymer fraction eluting between 75.0° C. and 95.0° C. as determined by Crystallization Elution Fractionation (CEF), and has a density ranging from 0.915 to 0.940 g/cc, and wherein the film is biaxially-oriented.Type: ApplicationFiled: April 16, 2014Publication date: January 26, 2017Inventors: Jian-ping Pan, Yijian Lin, Xiao Bing Yun, Mehmet Demirors
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Patent number: 9206303Abstract: A multilayer film is disclosed, having at least two layers. A first layer includes a first interpolymer of ethylene and at least one alpha-olefin. The first interpolymer has a density of less than 0.925 g/cm3, and an average Mv and a valley temperature between the interpolymer and high crystalline fraction, The, such that the average Mv for a fraction above The from ATREF divided by average Mv of the whole polymer from ATREF (Mhc/Mhp) is less than about 1.95 and the first interpolymer has a CDBI of less than 60%. At least one other second layer includes a second inter-polymer of ethylene and at least one alpha-olefin, the second interpolymer having a density from 0.925 to 0.965 g/cm3. The interpolymer of ethylene and at least one alpha-olefin can have a high density fraction and an overall density such that % HD fraction <0.0168x2?29.636x+13036 where x=density in g/cm3.Type: GrantFiled: December 16, 2009Date of Patent: December 8, 2015Assignee: Dow Global Technologies LLCInventors: Xiao Bing Yun, Risdianti Wastiani, Hwee Lun Goh, Chang Wu, Mehmet Demirors